1991004054

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{25525693}}^1$

素因数の和:25525711

約数の個数: 16

約数和(自身を含む): 4288316592

約数和(自身を除く): 2297312538

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 25525693, 51051386, 76577079, 153154158, 331834009, 663668018, 995502027, 1991004054]

約数ペア:

[(1, 1991004054), (2, 995502027), (3, 663668018), (6, 331834009), (13, 153154158), (26, 76577079), (39, 51051386), (78, 25525693)]